There are currently 3 people signed up for the debate club. The school will not recognize the club officially until it has more
than 5 members.
Which of the following graphs includes the possible values for the number of people who still need to sign up to make the club "official?"
A. Number line with closed circle on 2 and shading to the left.
B. Number line with closed circle on 2 and shading to the right.
C. Number line with open circle on 2 and shading to the left.
D. Number line with open circle on 2 and shading to the right.
Which of the following graphs includes the possible values for the number of people who still need to sign up to make the club "official?"
A. Number line with closed circle on 2 and shading to the left.
B. Number line with closed circle on 2 and shading to the right.
C. Number line with open circle on 2 and shading to the left.
D. Number line with open circle on 2 and shading to the right.
1 answer:
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Answer:
1)
2)
Step-by-step explanation:
Given:
Evaluating :
Solving for :
Answer:
7. x = 5
8. x = 2, y = 6
9. x = 21, y = 39
Step-by-step explanation:
For a parallelogram, the lengths across intersection are equal.
7. For a parallelogram, the lengths across intersection are equal.
So that,
3x = 4x - 5
4x - 3x = 5
x = 5
8. For a parallelogram, the lengths across intersection are equal.
So that,
2x = 4
x =
x = 2
and
y - 1 = 2y -7
7 - 1 = 2y - y
y = 6
x = 2, y = 6
9. For a parallelogram, opposite angles have equal value.
Thus,
3x = (4x - 21)
3x = 4x - 21
x = 21
and
3y = (y + 78)
3y = y + 78
3y - y = 78
2y = 78
y =
= 39
y = 39
x = 21, y = 39